Williams Information Technology LLC
Cluster stats
Netblocks35
All fragments 129 blocks across 41 clusters
Cluster ID191593553
RegistryAFRINIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 8 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
35 0 netblocks since 2026-07-05
2026-07-05 peak 35 2026-07-06

IP Ranges (35)

⬇ export CSV
CIDR Org name Registry Status Confidence
151.142.0.0/22 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.0.0/16 Williams Information Technology LLC ARIN ● high
151.142.4.0/22 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.64.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.65.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.66.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.68.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.69.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.70.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.71.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.128.0/20 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.128.0/19 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.132.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.144.0/20 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.154.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.155.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.160.0/20 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.160.0/21 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.168.0/21 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.224.0/20 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.224.0/19 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.240.0/20 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.250.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
151.142.251.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
161.245.0.0/16 Williams Information Technology LLC ARIN ● high
170.21.0.0/16 Williams Information Technology LLC ARIN ● high
170.21.246.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
170.21.247.0/24 Williams Information Technology LLC BGP ANNOUNCED ● high
102.22.223.161/32 williams_doumit1 AFRINIC ASSIGNED PA ● low
102.22.223.162/32 williams_doumit2 AFRINIC ASSIGNED PA ● low
193.132.12.0/24 WILLIAMS-LEA1 RIPE ASSIGNED PA ● low
194.69.68.240/29 WILLIAMS-DE-BROE2-ISP RIPE ASSIGNED PA ● low
2a00:2381:2d97::/48 WILLIAMS-OF RIPE AGGREGATED-BY-LIR ● low
2a00:2381:f020::/56 WILLIAMS-SON RIPE ASSIGNED ● low
2a00:2381:f020::/48 WILLIAMS-SON RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
8.6% of checked blocks have valid RPKI ROA coverage (3 of 35)
Possible discrepancies (3)

These blocks are registered to Williams Information Technology LLC but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:f020::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:2d97::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:f020::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

AO49-afrinic AS11396 AS1849-MNT BTNET-MNT DOMAI75-ARIN DOMAI75-ARIN DOMAI76-ARIN DOMAI76-ARIN DUMY-RIPE DUMY-RIPE EE1-afrinic ISMA-MNT +2 more